Year	% change from 1990
1991	12.9745157046189
1992	18.6747691735403
1993	11.1314211938063
1994	22.1496840774983
1995	19.9731583580402
1996	19.5349484883101
1997	65.4924307139934
1998	21.541493477959
1999	15.9420409578201
2000	11.6234967315302
2001	17.1055938477402
2002	31.8737577311576
2003	29.3293035594304
2004	47.2155394597888
2005	50.9903892727856
2006	74.8589735762014
2007	66.671191890317
2008	70.7125419631292
2009	83.9852082831841
2010	84.4228812413872
2011	98.7456735985861
2012	104.728588565041